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Week 10 Lab Report 4

Week 10 Lab Report 4

Q W10: Lab Report 4 Instructions Lab Report 4 covers the electrolytes, water, acids and bases experiments from week 9. Instructions: Download a copy of the Lab Report 4 Microsoft Word file (follow the link below under Supporting Materials) to your computer. Read and follow the instructions included in the assignment. Save your work as a Microsoft Word document and name your file Lastname_Firstname_Lab4 Submission Instructions: Attach your Microsoft Word file to this assignment. NOTE: you must submit this assignment as a Microsoft Word document rather than a Word Pad, Works, PDF, etc. type of document. Otherwise, you will not receive credit for your work. All required images (pictures and/or graphs) must be inserted into the Word document. Additional file attachments will not receive credit. The electronic classroom will not accept submissions larger than 25 MB, so resize images appropriately before insertion into the Word document. This assignment is worth 100 points. The grading criteria are included in the assignment.

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Lab Report 4: Electrolytes, Water, Acids, and Bases Lab 15: Experiment 1 – Breathing and Acid-Base Balance (50 points) © 2013 eScience Labs, LLC. All rights reserved. Instructions: Enter your experimental data into Table 1 below and answer the question. Take a picture of your experiment after your last measurement and include your photograph in your lab report. Table 1: Color Change of Sodium Bicarbonate Solution With and Without the Addition of CO2 Beaker Starting Color Final Color Time to Change to Final Color 1 Pink Faint Pink No Change 2 Pink Faint Pink No Change 1. Was the time required to change the solution different for the two beakers? Why or why not? I blew into the straw for 5 minutes each. I noticed the solution getting lighter but it never turned yellow. I am on a medication, I do not know if that affects the results. Attach Image 1: Breathing and Acid-Base Balance Experiment